framework/tests/all-systems/Issue1049.java

// Test case for Issue #1049
// https://github.com/typetools/checker-framework/issues/1049
public class Issue1049 {
  interface Gen<T extends Gen<T>> {
    T get();
  }

  @SuppressWarnings("nulltest.redundant")
  void bar(Gen<?> g) {
    Gen<?> l = g.get() != null ? g.get() : g;
  }
}